表2     适用        

回路电压

回路电流

380V

10A~6000A

3kV

10A~6000A

4.16kV

10A~6000A

6kV

10A~6000A

10kV

10A~5000A

15kV

10A~3000A

20kV

10A~2500A

35kV

10A~1500A